"Caroline Sparks Update: Rifle used by 5-yr.-old Ky. boy in accidental death of sister, 2, was made for kids, report says" 
CBS May 2  
http://www.cbsnews.com/8301-504083_162-57582537-504083/caroline-sparks-update-rifle-used-by-5-yr.-old-ky-boy-in-accidental-death-of-sister-2-was-made-for-kids-report-says/